Bug 438831 - step into and backtrace from x86-64 plt
step into and backtrace from x86-64 plt
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: frysk (Show other bugs)
All Linux
low Severity low
: rc
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Assigned To: Eric Bachalo
Len DiMaggio
Depends On:
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Reported: 2008-03-25 10:42 EDT by Mark Wielaard
Modified: 2011-02-15 04:38 EST (History)
6 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2011-02-15 04:38:17 EST
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Sourceware 5962 None None None Never

  None (edit)
Description Mark Wielaard 2008-03-25 10:42:20 EDT
When inside a plt entry jump slot you cannot always get reliably backtrace on
x86_64 until you are outside the plt entry itself (and into the shared library
function).  Although you cannot easily step into a plt entry currently, it can
happen that a backtrace is captured just at the moment one thread is inside a
plt entry. In that case a single entry backtrace is produced instead of a full

Upstream has patches for stepping into (all architectures) and producing full
backtraces from plt entries (x86_64):

Also tracked upstream as: http://sourceware.org/bugzilla/show_bug.cgi?id=5962

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